1 Answer

Sounds like you probably have a faulty HDMI port. This is a super common repair and the #1 repair I get at my shop. If you have a lot of micro soldering experience you can do the job yourself. If not you'll need to have a professional fix it. I fix lots of these at my repair shop and there are others here on ifixit who can do this repair as well...just click on the name and it will take you to their profile page.

Resources

Repairability

Stay in the loop

It's time to speak out for your right to repair

We have a chance to guarantee our right to repair electronic
equipment—like smartphones, computers, and even farm equipment. This is a once-in-a-generation
chance to protect local repair jobs—the corner mom-and-pop repair shops that
keep getting squeezed out by manufacturers.

Join the cause and tell your state representative to support Right to Repair. Tell them you believe repair should be fair, affordable, and accessible. Stand up for your right to repair!